processes in acceptance and commitment therapy. In J. T. Blackledge, J. Ciarrochi, & F. P. Deane (Eds.), Acceptance and commitment therapy: Contemporary theory, research and practice (pp. 41–58). Bowen Hills, QLD, Australia: Australian Academic Press. Barnes-Holmes, D., Luciano, C., & Barnes-Holmes, Y. (2004). Relational frame theory: Definitions, controversies, and applications I. Special issue of the International Journal of Psychology and Psychological Therapy, 4, 177-394. Barnes-Holmes, D., Luciano, C., & Barnes-Holmes, Y. (2004). Relational frame theory: Definitions, controversies, and applications II. Special issue of the International Journal of Psychology and Psychological Therapy, 4, 443-622. Lyddy, F., Barnes-Holmes, D., & Hampson, P. J. (2001). A transfer of sequence function via equivalence in a connectionist network. The Psychological Record, 51, 409-428. Barnes-Holmes, D., Barnes-Holmes, Y., & Cullinan, V. (2000). Relational frame theory and Skinner's Verbal Behavior: A possible synthesis. The Behavior Analyst, 23, 69-84. Barnes-Holmes, D., Dymond, S., Roche, B., & Grey, I. (1999). Language and cognition. The Psychologist, 12, 500-504. Gomez, S., Huerta, F., Barnes-Holmes, D., & Luciano, C. (1999). Breaking equivalence relations. Experimental Analysis of Human Behavior Bulletin, 17, 1-4. Barnes, D. (1997). Conceptual and philosophical issues in behavioral psychology. Special issue of The Psychological Record, 47, 527-660. See also Relational Frame Theory Experimental analysis of behaviour References Living people 1936 births Academics of Maynooth University Irish psychologists